package Thread;

import java.util.concurrent.locks.ReentrantLock;

public class Demo17 {
    private static int count=0;
    public static void main(String[] args) throws InterruptedException {
        ReentrantLock locker=new ReentrantLock();
        Thread t1=new Thread(()->{
            for (int i = 0; i < 5000; i++) {
                try{ locker.lock();
                    count++;}
                finally {
                    locker.unlock();
                }
            }
        });
        Thread t2=new Thread(()->{
            for (int i = 0; i < 5000; i++) {
                try{locker.lock();
                    count++;
                }
                finally {
                    locker.unlock();
                }
            }
        });
        t1.start();
        t2.start();
        t1.join();
        t2.join();
        System.out.println(count);
    }
}
